/*
 * Copyright (c) 2024, Qi Yaolong.
 * dragon@hbu.edu.cn
 * HeBei University, China.
 * 
 * 简体中文
 * 保留所有权利。除非符合（遵守）以下条款，否则您不得使用此文件：
 * 
 * 禁止任何未经授权的个人或组织以任何形式将本程序及其附属资料、创新、创意、架构设计、算法、衍生作品
 * 等用于任何商业目的、盈利活动、各类竞赛(比赛)、直播教学、录播教学、线下课程、书籍编写、教材编写、
 * 会议、培训、公益活动、项目课题、毕业设计、毕业论文、学术论文等。
 * 
 * 本程序由版权持有人和贡献人“按原样”提供，不提供任何明示或暗示担保，包括但不局限于对适销性和特定
 * 用途适合性的暗示担保。在任何情况下，版权持有人或贡献人对因使用本程序而导致的任何直接、间接、附带、
 * 特殊、典型或后果性损害（包括但不限于购买替代商品或服务；使用损失、数据丢失或利润损失；业务中断）
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 * 其他），即使已告知此类损害的可能性。
 * 
 * English
 * All rights reserved. You may NOT use this file except in compliance with the
 * following terms:
 * 
 * IT IS PROHIBITED FOR ANY UNAUTHORIZED PERSON OR ENTITY TO USE THIS PROGRAM AND 
 * ITS ANCILLARY DATA, INNOVATIONS, CONCEPTS, ARCHITECTURE DESIGN, ALGORITHMS, 
 * DERIVED WORKS, ETC., IN ANY FORM FOR COMMERCIAL PURPOSES, PROFIT-MAKING 
 * ACTIVITIES, VARIOUS COMPETITIONS (CONTESTS), LIVE TEACHING, PRE-RECORDED 
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 * ACTIVITIES, PROJECTS, TOPICS, GRADUATION DESIGNS, DISSERTATIONS, THESES, AND 
 * OTHER APPLICATIONS.
 * 
 * THIS PROGRAM IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS PROGRAM, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>     
#include <unistd.h>    
#include "ohos_init.h" 
#include "cmsis_os2.h" 
#include "iot_gpio.h"  
#include "../inc/iot_gpio_ex.h"

#define RED_GPIO 7     


#define GREEN_GPIO 11  


#define YELLOW_GPIO 10 


void red_led_on(void)
{
    IoTGpioSetOutputVal(RED_GPIO, IOT_GPIO_VALUE1);
}


void red_led_off(void)
{
    IoTGpioSetOutputVal(RED_GPIO, IOT_GPIO_VALUE0);
}

void green_led_on(void)
{
    IoTGpioSetOutputVal(GREEN_GPIO, IOT_GPIO_VALUE1);
}


void green_led_off(void)
{
    IoTGpioSetOutputVal(GREEN_GPIO, IOT_GPIO_VALUE0);
}


void yellow_led_on(void)
{
    IoTGpioSetOutputVal(YELLOW_GPIO, IOT_GPIO_VALUE1);
}


void yellow_led_off(void)
{
    IoTGpioSetOutputVal(YELLOW_GPIO, IOT_GPIO_VALUE0);
}


void traffic_light_init(void)
{
    IoTGpioInit(RED_GPIO);    
    IoTGpioInit(GREEN_GPIO);  
    IoTGpioInit(YELLOW_GPIO); 
    osDelay(200);

    IoSetFunc(RED_GPIO, IOT_IO_FUNC_GPIO_7_GPIO);
    
    IoTGpioSetDir(RED_GPIO, IOT_GPIO_DIR_OUT);

    IoSetFunc(GREEN_GPIO, IOT_IO_FUNC_GPIO_11_GPIO);
    
    IoTGpioSetDir(GREEN_GPIO, IOT_GPIO_DIR_OUT);

    IoSetFunc(YELLOW_GPIO, IOT_IO_FUNC_GPIO_10_GPIO);
    
    IoTGpioSetDir(YELLOW_GPIO, IOT_GPIO_DIR_OUT);
}